diff --git a/Sources/SVMPrefsKit/Parser/ParserMetaData.swift b/Sources/SVMPrefsKit/Parser/ParserMetaData.swift
index 79c8a7d..05794fb 100644
--- a/Sources/SVMPrefsKit/Parser/ParserMetaData.swift
+++ b/Sources/SVMPrefsKit/Parser/ParserMetaData.swift
@@ -201,9 +201,9 @@ class ParserMetaData {
                 if linesToDelete > 0 {
                     lines.removeSubrange(start..<end)
                     totalLinesDeleted += linesToDelete
-                    codeMark.begin.clearedOffset = start - 1
-                    codeMark.end.clearedOffset = start
                 }
+                codeMark.begin.clearedOffset = start - 1
+                codeMark.end.clearedOffset = start
             }
         }
 
diff --git a/Tests/SVMPrefsKitTests/SwiftCodeGeneratorTests.swift b/Tests/SVMPrefsKitTests/SwiftCodeGeneratorTests.swift
index 52ccd9a..c663cd6 100644
--- a/Tests/SVMPrefsKitTests/SwiftCodeGeneratorTests.swift
+++ b/Tests/SVMPrefsKitTests/SwiftCodeGeneratorTests.swift
@@ -136,21 +136,69 @@ final class SwiftCodeGeneratorTests: XCTestCase {
             SVMPREFS*/
 
             class MyMigrationTests {
+                // MARK: BEGIN main
+                // this will be deleted
+                // MARK: END main
+
+                // MARK: BEGIN copy
+                // this will be deleted
+                // MARK: END copy
+
                 // MARK: BEGIN migrate
                 // MARK: END migrate
+            }
+
+            """
+
+        assertSnapshot(matching: code, as: .svmPrefs())
+    }
+
+    func testMigrationWithCodeThatFollows() {
+        let code = """
+            import Foundation
+            import AppKit
+
+            /*SVMPREFS
+            S main | | RALL
+
+            V Bool | boolVar1    | boolVar2 | IS |
+            V Bool | hasBoolVar2 | boolVar2 | |
+            V Bool | boolVar3    | boolVar3 | |
+            V Bool | boolVar4    | boolVar4 | |
+
+            S copy | | RALL
+
+            V Bool | boolVar3 | boolVar3 | |
+            V Bool | boolVar4 | boolVar4 | |
+
+            M main | copy   | boolVar3 | boolVar3
+            M main | copy   | boolVar4 | boolVar4
+            M main | delete | hasBoolVar2
+
+            SVMPREFS*/
 
+            class MyMigrationTests {
                 // MARK: BEGIN main
+                // this will be deleted
                 // MARK: END main
 
                 // MARK: BEGIN copy
+                // this will be deleted
                 // MARK: END copy
+
+                // MARK: BEGIN migrate
+                // MARK: END migrate
             }
+            // These lines here attempt to creat the scenario
+            // where there are enough extra lines (3) than being
+            // removed (2) to prepare for the generated code to be inserted
 
             """
 
         assertSnapshot(matching: code, as: .svmPrefs())
     }
 
+
     func testDate() {
         let code = """
             import Foundation
@@ -198,12 +246,15 @@ final class SwiftCodeGeneratorTests: XCTestCase {
               }
 
               // MARK: BEGIN main
+              // this will be deleted
               // MARK: END main
 
               // MARK: BEGIN main1
+              // this will be deleted
               // MARK: END main1
 
               // MARK: BEGIN main2
+              // this will be deleted
               // MARK: END main2
             }
 
@@ -228,6 +279,7 @@ final class SwiftCodeGeneratorTests: XCTestCase {
 
             class MyCompoundCodeMarakTests {
               // MARK: BEGIN main,main1,main2
+              // this will be deleted
               // MARK: END main,main1,main2
             }
 
@@ -249,6 +301,7 @@ final class SwiftCodeGeneratorTests: XCTestCase {
 
             class MyNoRemoveAllTests {
               // MARK: BEGIN main
+              // this will be deleted
               // MARK: END main
             }
 
diff --git a/Tests/SVMPrefsKitTests/__Snapshots__/SwiftCodeGeneratorTests/testMigration.1.swift b/Tests/SVMPrefsKitTests/__Snapshots__/SwiftCodeGeneratorTests/testMigration.1.swift
index 8218dce..3d63aeb 100644
--- a/Tests/SVMPrefsKitTests/__Snapshots__/SwiftCodeGeneratorTests/testMigration.1.swift
+++ b/Tests/SVMPrefsKitTests/__Snapshots__/SwiftCodeGeneratorTests/testMigration.1.swift
@@ -21,22 +21,6 @@ M main | delete | hasBoolVar2
 SVMPREFS*/
 
 class MyMigrationTests {
-    // MARK: BEGIN migrate ⬇⬇⬇ AUTO-GENERATED CODE - DO NOT EDIT ⬇⬇⬇
-    func migrate() {
-        if let value = main.object(forKey: MainKeys.boolVar3) {
-            copy.set(value, forKey: CopyKeys.boolVar3)
-            main.removeObject(forKey: MainKeys.boolVar3)
-        }
-        if let value = main.object(forKey: MainKeys.boolVar4) {
-            copy.set(value, forKey: CopyKeys.boolVar4)
-            main.removeObject(forKey: MainKeys.boolVar4)
-        }
-        if main.object(forKey: MainKeys.hasBoolVar2) != nil {
-            main.removeObject(forKey: MainKeys.hasBoolVar2)
-        }
-    }
-    // MARK: END migrate ⬆⬆⬆ AUTO-GENERATED CODE - DO NOT EDIT ⬆⬆⬆
-
     // MARK: BEGIN main ⬇⬇⬇ AUTO-GENERATED CODE - DO NOT EDIT ⬇⬇⬇
     var main = UserDefaults.standard
 
@@ -95,4 +79,20 @@ class MyMigrationTests {
         copy.removeObject(forKey: CopyKeys.boolVar4)
     }
     // MARK: END copy ⬆⬆⬆ AUTO-GENERATED CODE - DO NOT EDIT ⬆⬆⬆
+
+    // MARK: BEGIN migrate ⬇⬇⬇ AUTO-GENERATED CODE - DO NOT EDIT ⬇⬇⬇
+    func migrate() {
+        if let value = main.object(forKey: MainKeys.boolVar3) {
+            copy.set(value, forKey: CopyKeys.boolVar3)
+            main.removeObject(forKey: MainKeys.boolVar3)
+        }
+        if let value = main.object(forKey: MainKeys.boolVar4) {
+            copy.set(value, forKey: CopyKeys.boolVar4)
+            main.removeObject(forKey: MainKeys.boolVar4)
+        }
+        if main.object(forKey: MainKeys.hasBoolVar2) != nil {
+            main.removeObject(forKey: MainKeys.hasBoolVar2)
+        }
+    }
+    // MARK: END migrate ⬆⬆⬆ AUTO-GENERATED CODE - DO NOT EDIT ⬆⬆⬆
 }
diff --git a/Tests/SVMPrefsKitTests/__Snapshots__/SwiftCodeGeneratorTests/testMigrationWithCodeThatFollows.1.swift b/Tests/SVMPrefsKitTests/__Snapshots__/SwiftCodeGeneratorTests/testMigrationWithCodeThatFollows.1.swift
new file mode 100644
index 0000000..698d32c
--- /dev/null
+++ b/Tests/SVMPrefsKitTests/__Snapshots__/SwiftCodeGeneratorTests/testMigrationWithCodeThatFollows.1.swift
@@ -0,0 +1,101 @@
+import Foundation
+import AppKit
+
+/*SVMPREFS [code generated using svmprefs version 2.0.0]
+S main | | RALL
+
+V Bool | boolVar1    | boolVar2 | IS |
+V Bool | hasBoolVar2 | boolVar2 | |
+V Bool | boolVar3    | boolVar3 | |
+V Bool | boolVar4    | boolVar4 | |
+
+S copy | | RALL
+
+V Bool | boolVar3 | boolVar3 | |
+V Bool | boolVar4 | boolVar4 | |
+
+M main | copy   | boolVar3 | boolVar3
+M main | copy   | boolVar4 | boolVar4
+M main | delete | hasBoolVar2
+
+SVMPREFS*/
+
+class MyMigrationTests {
+    // MARK: BEGIN main ⬇⬇⬇ AUTO-GENERATED CODE - DO NOT EDIT ⬇⬇⬇
+    var main = UserDefaults.standard
+
+    enum MainKeys {
+        static let isBoolVar1 = "boolVar2"
+        static let hasBoolVar2 = "boolVar2"
+        static let boolVar3 = "boolVar3"
+        static let boolVar4 = "boolVar4"
+    }
+
+    var isBoolVar1: Bool {
+        get {
+            return main.bool(forKey: MainKeys.isBoolVar1)
+        }
+        set {
+            main.set(newValue, forKey: MainKeys.isBoolVar1)
+        }
+    }
+
+    func mainRemoveAll() {
+        main.removeObject(forKey: MainKeys.isBoolVar1)
+        main.removeObject(forKey: MainKeys.hasBoolVar2)
+        main.removeObject(forKey: MainKeys.boolVar3)
+        main.removeObject(forKey: MainKeys.boolVar4)
+    }
+    // MARK: END main ⬆⬆⬆ AUTO-GENERATED CODE - DO NOT EDIT ⬆⬆⬆
+
+    // MARK: BEGIN copy ⬇⬇⬇ AUTO-GENERATED CODE - DO NOT EDIT ⬇⬇⬇
+    var copy = UserDefaults.standard
+
+    enum CopyKeys {
+        static let boolVar3 = "boolVar3"
+        static let boolVar4 = "boolVar4"
+    }
+
+    var boolVar3: Bool {
+        get {
+            return copy.bool(forKey: CopyKeys.boolVar3)
+        }
+        set {
+            copy.set(newValue, forKey: CopyKeys.boolVar3)
+        }
+    }
+
+    var boolVar4: Bool {
+        get {
+            return copy.bool(forKey: CopyKeys.boolVar4)
+        }
+        set {
+            copy.set(newValue, forKey: CopyKeys.boolVar4)
+        }
+    }
+
+    func copyRemoveAll() {
+        copy.removeObject(forKey: CopyKeys.boolVar3)
+        copy.removeObject(forKey: CopyKeys.boolVar4)
+    }
+    // MARK: END copy ⬆⬆⬆ AUTO-GENERATED CODE - DO NOT EDIT ⬆⬆⬆
+
+    // MARK: BEGIN migrate ⬇⬇⬇ AUTO-GENERATED CODE - DO NOT EDIT ⬇⬇⬇
+    func migrate() {
+        if let value = main.object(forKey: MainKeys.boolVar3) {
+            copy.set(value, forKey: CopyKeys.boolVar3)
+            main.removeObject(forKey: MainKeys.boolVar3)
+        }
+        if let value = main.object(forKey: MainKeys.boolVar4) {
+            copy.set(value, forKey: CopyKeys.boolVar4)
+            main.removeObject(forKey: MainKeys.boolVar4)
+        }
+        if main.object(forKey: MainKeys.hasBoolVar2) != nil {
+            main.removeObject(forKey: MainKeys.hasBoolVar2)
+        }
+    }
+    // MARK: END migrate ⬆⬆⬆ AUTO-GENERATED CODE - DO NOT EDIT ⬆⬆⬆
+}
+// These lines here attempt to creat the scenario
+// where there are enough extra lines (3) than being
+// removed (2) to prepare for the generated code to be inserted